Yealink T53 Prime Business Phone to Deliver Optimum Desktop Productivity- 12 SIP Accounts 3.7" 360x160 pixel graphical LCD with backlight Adjustable LCD screen Bluetooth via BT40 Wi-Fi via WF40/WF50 USB 2.0 port for USB recording wired/wireless USB headsets and EXP50 Up to 12 VoIP accounts Dual-port Gigabit Ethernet PoE support HAC Handset Paperless label design Wall mountable This product ships in approximately 1 days